Sure, Ⓞ Oracle is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: MariaDB  MariaDB .

  1. So is MariaDB MariaDB

    Community-developed open SQL server

    ★ 5.9K database License: GPL-2.0

    MariaDB was designed as a drop-in replacement of MySQL(R) with more features, new storage engines, fewer bugs, and better performance.